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Quellcode

#include <libusb-1.0/libusb.h>
#include <stdio.h>
#include <stdint.h>

int main(void)
{
    unsigned char data[64];
    int received_length;
    int r = 1;
    libusb_context* ctx = NULL;
    libusb_device_handle* dev_handle = NULL;

    libusb_init(&ctx);
    dev_handle = libusb_open_device_with_vid_pid(ctx, 0x0955, 0x7820);
    if(dev_handle)
    {
        r = libusb_bulk_transfer(dev_handle, 0x81, data, sizeof(data), &received_length, 10000);
        if (r == 0)
        {
            if(received_length == 8)
            {
                printf("uid: %#016lx\n", *(uint64_t*)data);
            }
            else
            {
                r = 1;
                printf("Error: We got %d bytes of data insetad of the 8 bytes we expected...\n", received_length);
            }
        }
        else
        {
            printf("Error: USB read failed!\n");
        }
        libusb_release_interface(dev_handle, 0);
    }
    else
    {
        printf("Error: Failed to open device!\n");
    }
    libusb_exit(ctx);
    return r;
    }